It may not be the best lump, but B&B oak lump is pretty dependable. Never seen a petrified creature, or chunk of cement in it either. Smells like you're burning oak splits.
Modded Brinkmann Gourmet. Basic UDS. Rescued 22.5" OTS. SJS Mini-WSM. Stubbs. B&B Oak Lump.
Cannondale 2009 F8 (for burning off all the great BBQ)